Semiconductor power devices

• US 2,725,505 A
• Filed: 11/30/1953
• Issued: 11/29/1955
• Est. Priority Date: 11/30/1953
• Status: Expired due to Term

• Current Assignee: John R. Woolston, William M. Webster Jr
• Original Assignee: John R. Woolston, William M. Webster Jr
• Inventors: Webster, William M. Jr., Woolston, John R.
• Application Number:
  US03/395,016
• Time in Patent Office: 729 Days
• US Class Current: 257/714
• CPC Class Codes: H01L 23/16 Fillings or auxiliary members in containers or encapsulations, e.g. centering rings H01L23/42, H01L23/552 take precedence
• CPC Class Codes: H01L 23/467 by flowing gases, e.g. air H01L23/473 takes precedence
• CPC Class Codes: H01L 23/473 by flowing liquids H01L23/4332, H01L23/4338 take precedence
• CPC Class Codes: H01L 24/00 Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/12036 PN diode
• CPC Class Codes: Y10S 165/905 Materials of manufacture

Claims

1. A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING THEREIN ZONES OF DIFFERENT CONDUCTIVITY TYPES SEPARATED BY A RECTIFYING BARRIER, A QUANTITY OF METAL INTEGRAL WITH AT LEAST ONE OF SAID ZONES,